1、These filters are manufactured from high quality optical glass with professional coatings, can protect your lens from dust, water, oil and scratch. 2、Reduce the amount of light into the camera, prolong the time of exposure, can effectively reduce shutter speed. 3、UV filter can remove and absorb ultra violet rays, giving sharper contrast to your video and digital images. It can also diminish ghosting effect from reflected light. 4、CPL filter can remove unwanted reflections and increase color and contrast by reducing reflections from non-metallic surfaces, good for improving the clarity of distant objects.​ 5、Premium aluminium frame, beautiful and anti-wear. Features: These filters are manufactured from high quality optical glass with professional coatings, can protect your lens from dust, water, oil and scratch. Reduce the amount of light into the camera, prolong the time of exposure, can effectively reduce shutter speed. UV filter can remove and absorb ultra violet rays, giving sharper contrast to your video and digital images. It can also diminish ghosting effect from reflected light. CPL filter can remove unwanted reflections and increase color and contrast by reducing reflections from non-metallic surfaces, good for improving the clarity of distant objects. Premium aluminium frame, beautiful and anti-wear. Good filter kit for photographer lovers, lightweight and portable. Specification: Condition: 100% Brand New Material: Aluminium alloy + optical glass Color: black Size: approx. 4.3*4.3*0.5cm/1.7*1.7*0.2in Options: UV, CPL, ND8, ND64, ND4, ND16 Packing Include: 1 x Lens Filter